Comment 3 for bug 1446863

Created attachment 701636
strace of lsusb stopped with ^C after a delay.

Description of problem:
lsusb -t hangs and produces no output. This also blocks sosreport.

Version-Release number of selected component (if applicable):

How reproducible:
every time.

Steps to Reproduce:
1. lsusb -t

Actual results:
nothing happens

Expected results:
tree output of USB devices

Additional info:
Bug #814087 seems a bit similar but produced output and is for an older Fedora.

strace was completed by me pressing ^C at the end.

attached will be:
strace
backtrace at lockup point
lsusb -v

Additional info: